How We Score Trust
PeptideSearch Pro scores suppliers on a 1–10 scale using observable data from our index — not paid placements. Web-discovered stores get a flat 5.5 until we index enough data to compute a full profile.
COA coverage
Up to 35 ptsShare of indexed products flagged with Certificate of Analysis (COA) language on the listing or vendor site.
Catalog depth
Up to 25 ptsNumber of peptide SKUs we currently index from the vendor. More listings = more data confidence.
Data freshness
Up to 20 ptsHow recently our scrapers successfully pulled prices from this vendor.
Operational baseline
Up to 20 ptsEditorial baseline for known community reputation, payment transparency, and operating history. Updated manually.
What we don't do
- Accept payment to boost rankings
- Audit every COA independently — we flag listings with COA language
- Guarantee supplier legitimacy — always do your own due diligence
- Index every store on the internet — tracked suppliers + web discovery
Tier labels
- 8.5+ Excellent
- Strong COA coverage, fresh data, deep catalog
- 7.0+ Good
- Solid index data with reasonable transparency signals
- 5.5+ Fair
- Limited COA or stale scrape data
- Below 5.5 Limited
- Minimal indexed data or web-only discovery
Scores update automatically when we re-scrape. Browse all providers